177 lines
13 KiB
C++
177 lines
13 KiB
C++
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////////////////////////////////////////////////////////////
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// //
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// HomeSpan: A HomeKit implementation for the ESP32 //
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// ------------------------------------------------ //
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// //
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// Example 11: Service Options: //
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// * setting the Primary Service //
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// * setting Service Names //
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// //
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////////////////////////////////////////////////////////////
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#include "HomeSpan.h"
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#include "DEV_LED.h"
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#include "DEV_Identify.h"
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void setup() {
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// Every Accessory we define has at least two Services, one of which will always be the required Accessory Information Service (and
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// which we've conveniently wrapped into a derived Service we called DEV_Identify). The second is usually a Service that performs
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// some sort of actual operation, such as the LightBulb Service or the Fan Service. It's this second operative Service that creates
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// the controls we see in the HomeKit iOS or MacOS application. These appear as tiles with a lightbulb control or fan control.
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// We've also created Accessories with more than two operational Service, such as our definition of a ceiling fan that includes
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// BOTH a Fan Service and a LightBulb Service. The HomeKit application can display an Accessory with two or more operational Services
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// in one of two ways: one way is to display each Service as a separate tile, so that our ceiling fan would show up as one standalone
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// lightbulb tile for the LightBulb Service and one standalone fan tile for the Fan Service. The second way is for HomeKit to display
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// our ceiling fan as a single tile that you click to open a new screen showing both the fan control and the lightbulb control side by side.
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// HomeSpan has no control over whether HomeKit displays multiple Services as separate tiles or as a single combined single tile.
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// This is determined by the user from within the HomeKit iOS or MacOS application (the default is to use the combined tile mode).
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// However, HomeSpan does have control over the which icon is used to display the ceiling fan in combined-tile mode. Should it be a
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// lightbulb or a fan?
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// HomeKit determines which icon to show on the combined tile according to what is considered the Primary Service of the Accessory.
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// HomeKit will also list the Primary Service first when you click a combined tile to open its controls.
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// A Service can be set to Primary with the setPrimary() method. The easiest way to do this is by "chaining" setPrimary() to the
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// end of a new Service when first instantiated. See below for examples of how to do this.
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// To begin, we first initialize HomeSpan and define our Bridge Accessory as in the previous examples:
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Serial.begin(115200);
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homeSpan.begin(Category::Bridges,"HomeSpan Bridge");
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new SpanAccessory();
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new DEV_Identify("Bridge #1","HomeSpan","123-ABC","HS Bridge","0.9",3);
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new Service::HAPProtocolInformation();
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new Characteristic::Version("1.1.0");
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// Next, we create two Accessories each configured to control a Ceiling Fan containing a bi-directional, multi-speed fan AND a dimmable light.
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// In Ceiling Fan #1 we specify the Dimmable LED as the Primary Service. In Ceiling Fan #2 we specify the Fan as the Primary Service.
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// If you set HomeKit to display each of these Accessories as combined tiles, you'll immediately see the difference. Ceiling Fan #1 shows as
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// Lightbulb Tile with the dimmable LED listed first when you click open its controls. Ceiling Fan #2 shows as a Fan Tile with the fan listed first
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// when you click open its controls. Nice and easy.
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new SpanAccessory();
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new DEV_Identify("Ceiling Fan #1","HomeSpan","123-ABC","20mA LED","0.9",0);
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(new DEV_DimmableLED(0,17))->setPrimary(); // Here we specify DEV_DimmableLED as the Primary Service by "chaining" setPrimary() to the pointer return by new. Note parentheses!
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new Service::Fan();
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new Characteristic::Active();
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new Characteristic::RotationDirection();
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new Characteristic::RotationSpeed(0);
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new SpanAccessory();
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new DEV_Identify("Ceiling Fan #2","HomeSpan","123-ABC","20mA LED","0.9",0);
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new DEV_DimmableLED(0,17);
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(new Service::Fan())->setPrimary(); // Here we specify the Fan as the Primary Service. Again, note how we encapsulated the "new" command in parentheses, then chained setPrimary()
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new Characteristic::Active();
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new Characteristic::RotationDirection();
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new Characteristic::RotationSpeed(0);
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//////////////////////////////////
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// In addition to being able to specify which Service in an Accessory is the Primary Service, HomeKit also allows you to give names to each of
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// the individual Services. This is done by instantiating a Name Characteristic for a Service. We've already used this feature in creating
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// DEV_Identify --- the first argument is used to to name the Service (see DEV_Identify.h). In fact, the Name Characteristic is required
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// for the AccessoryInformation Service, so we had to instantiate as part of DEV_Identify.
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// For all other Services the name Characteristic is optional. If not instantiated, the name will be defaulted to whatever name we specified
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// in DEV_Identify, which means that if we have more than one operational Service in an Accessory, they will all be named the same.
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// This is not necessarily a problem since names don't always come into play in the HomeKit interface. In the examples above, the only name
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// that gets displayed in combined-tile mode is "Ceiling Fan #1" or "Ceiling Fan #2", which makes sense. When you click open the controls
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// for either Accessory you see a lightbulb control and a fan control. They are not individually named, but the controls look different (one
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// is a light control, the other a fan control) so there is no confusion.
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// If instead you set HomeKit to display the controls for these Accessories as separate tiles, you'll see that each of the light and fan controls
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// has their own name. But since in the above examples we did not provide specific names for each of these Services, they will simply inherit the
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// name "Ceiling Fan #1" or "Ceiling Fan #2". Again, there is no confusion since the light and fan controls each look different.
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// The situation becomes more interesting when you have an Accessory with 3 or more operational Services. Sometimes HomeKit will display the names
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// of the Services on the control panel even in combined-tile mode. Consider our ceiling fan example above, but with the added feature of a night-light,
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// which we will represent as a simple On/Off LED. Let's instantiate the Name Characteristic for each Service, as shown below.
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new SpanAccessory();
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new DEV_Identify("Ceiling Fan #3","HomeSpan","123-ABC","20mA LED","0.9",0);
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new DEV_DimmableLED(0,17);
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new Characteristic::Name("Main Light"); // Here we create a name for the Dimmable LED
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new DEV_LED(16);
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new Characteristic::Name("Night Light"); // Here we create a name for the On/Off LED
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(new Service::Fan())->setPrimary();
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new Characteristic::Active();
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new Characteristic::RotationDirection();
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new Characteristic::RotationSpeed(0);
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new Characteristic::Name("Fan"); // Here we create a name for the Fan
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// If you let HomeKit display this as a single, combined tile, you'll notice two things. The first is that the name of the tile is now "Fan" instead
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// of "Ceiling Fan #3". Why is that? It's because we set Fan to be the Primary Service AND gave it a name --- this is the name that shows up
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// on the combined tile. If we did not give it a name, it would have inherited the name "Ceiling Fan #3", which would have been the name of the tile
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// as in the prior example.
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// The second thing you'll notice is that these names now appear next to each control if you click open the combined tile. It says "Fan" next to the Fan
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// control, "Main Light" next to the Dimmable LED control, and "Night Light" next to the On/Off LED control.
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// If instead you tell HomeKit to display the controls for Ceiling Fan #3 as three separate tiles, you'll see that each tile contains the name specified
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// above for that Service. In some circumstances that can be helpful, in others it can be confusing. For instance, if you had two ceiling fans that
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// each had a main light and a night night, how would you know which "Main Light" is which? One solution is to create names like "Main Light #3" and
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// "Main Light #4". The other solution is to keep them combined in a single tile, but keep the name "Ceiling Fan #3" for the combined tile, instead of
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// having it over-ridden with the word "Fan"
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// This is easily done by specifying DEV_Identify as the Primary Service, instead of Fan, as follows:
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new SpanAccessory();
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(new DEV_Identify("Ceiling Fan #4","HomeSpan","123-ABC","20mA LED","0.9",0))->setPrimary(); // specify DEV_Identify as the Primary Service
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new DEV_DimmableLED(0,17);
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new Characteristic::Name("Main Light");
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new DEV_LED(16);
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new Characteristic::Name("Night Light");
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new Service::Fan();
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new Characteristic::Active();
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new Characteristic::RotationDirection();
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new Characteristic::RotationSpeed(0);
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new Characteristic::Name("Fan");
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// HomeKit now shows the name "Ceiling Fan #4" for the combined tile AND it still shows the individual names for each control when you click open the tile.
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// The only downside to this configuration is that since the Fan is no longer specified as the Primary Service, the main icon on the combined tile now shows
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// as a lightbulb, instead of the fan. HomeKit documentation is not clear on how the main icon is chosen under these circumstances, but I've found
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// that changing the order of Services as they are instantiated can impact the icon. Here is the same example as above, but with the Fan
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// instantiated as the first operational Service, ahead of the Main Light and Night Night:
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new SpanAccessory();
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(new DEV_Identify("Ceiling Fan #5","HomeSpan","123-ABC","20mA LED","0.9",0))->setPrimary(); // specify DEV_Identify as the Primary Service
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new Service::Fan();
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new Characteristic::Active();
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new Characteristic::RotationDirection();
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new Characteristic::RotationSpeed(0);
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new Characteristic::Name("Fan");
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new DEV_DimmableLED(0,17);
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new Characteristic::Name("Main Light");
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new DEV_LED(16);
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new Characteristic::Name("Night Light");
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// This seems to cause HomeKit to display the Fan icon on the combined tile, as well as to list the Fan Service control first when the tile is clicked
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// open, almost as if it were the Primary Service in all ways except for its name.
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// As you can see, there is no right or wrong way for how to name your Accessories and Services, including whether or not to even bother naming your
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// individual Services. It's purely a matter of taste - experiment and see which combinations best serve your purposes.
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// IMPORTANT: HomeKit tries to cache as many items as possible, and although it should know when configurations change, it does not always respond
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// as expected. If you are experimenting and find that name changes are NOT being reflected in the HomeKit interface, simply unpair HomeSpan and
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// re-pair. This often causes a refresh. If not, after unpairing you can additionally reset the HAP data in HomeSpan so that its HAP ID changes (see
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// HomeSpan documentation for how to easily do this). This way when you re-pair, HomeKit should think this is a completely new device and start with
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// a clean slate. *** In some limited circumstances, HomeKit may get so confused it refuses to operate the Accessories at all. You may get a No Response
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// icon even though HomeSpan is operating correctly. Though it is possible to misconfigure HomeSpan in ways that cause this, if you do get this
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// error please try the re-pairing methods above as it often fixes the problem.
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} // end of setup()
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//////////////////////////////////////
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void loop(){
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homeSpan.poll();
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} // end of loop()
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